What is a switchboard and what is it used for? - AutomationForum
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WebJul 5, 2018 · The National Electrical Code® (NEC®) defines a switchboard as a large single panel, frame, or assembly of panels on which are mounted, on the face, back, or both, switches, over current and other protection devices, buses, and usually instruments. Theory. Switchboards enclose various devices.
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